81964470

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{390307}}^1$

素因数の和:390324

約数の個数: 32

約数和(自身を含む): 224817408

約数和(自身を除く): 142852938

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 30, 35, 42, 70, 105, 210, 390307, 780614, 1170921, 1951535, 2341842, 2732149, 3903070, 5464298, 5854605, 8196447, 11709210, 13660745, 16392894, 27321490, 40982235, 81964470]

約数ペア:

[(1, 81964470), (2, 40982235), (3, 27321490), (5, 16392894), (6, 13660745), (7, 11709210), (10, 8196447), (14, 5854605), (15, 5464298), (21, 3903070), (30, 2732149), (35, 2341842), (42, 1951535), (70, 1170921), (105, 780614), (210, 390307)]